RAD51 and infection: For example, at 24 hpi there were 1.58 × 103 copies of map1 transcripts and only 70 and 10 copies of recA and rpoD. For all time points post infection, map1 was highly expressed compared to the 2 other genes (from 1 to 3 log10 higher than recA and rpoD) (figure 4).